Cannabis trade removes international tensions and promotes world peace

As the Old World was slowly recovering from the ravages of its internal wars, stern diplomacy and cold wars, contact was suddenly made with the New World and its two Americas.
At the first, the scenario set up by destiny seemed to articulate towards a merciless continent-vs-continent global war...
Until both worlds started exchanging their exotic herbs. Without either part really noticing it, the unmatchable aromas calmed their spirits, removed any sign of aggressivity in diplomatic relations and, possibly, established an eternal era of paradisiac peace amongst nations